What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

What is the most punctual flight time for London to San Francisco flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What’s the cheapest stopover airport for flights from London Heathrow Airport to San Francisco?

Toronto (YYZ) is the most affordable one-stop option, with an average return flight price of £404.

What’s the top stopover airport for flights from London Heathrow Airport to San Francisco?

Copenhagen (CPH) – chosen by Cheapflights users on 28% of one-stop itineraries from London Heathrow Airport to San Francisco on Cheapflights.

Which airline has the best punctuality record on London to San Francisco flights?

Over the past year, United Airlines have had the lowest number of delays on this route, with just 10% of flights being delayed.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to San Francisco?

Flights via Amsterdam (AMS) offer the fastest connection on this route, with an average stopover time of 1h 07m.

How often are flights from London to San Francisco delayed?

About 11% of weekly flights between London and San Francisco have experienced delays in the past year, with the average delay time being 147 minutes.

What’s the fastest stopover option from London Heathrow Airport to San Francisco?

Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 13h 15m.

How long is the flight from London Heathrow Airport to San Francisco?

Scandinavian Airlines, British Airways, and KLM can get you from London Heathrow Airport to San Francisco in just under 11h. Your travel time can differ by up to 14h 35m. Airlines will cover a distance of 5350 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from London Heathrow Airport to San Francisco round-trip?

Cheapflights users have booked flights from London Heathrow Airport to San Francisco round-trip from £321. Other airlines that can offer you cheap pricing are Air Canada, from £335, and SWISS, from £351. Delta is priced at 37% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from London Heathrow Airport to San Francisco one-way?

To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at £270. WestJet flights start at £301 while deals on Virgin Atlantic start at £324 one-way.

Weekly flight availability from London Heathrow Airport to San Francisco

The most flights from LHR to SFO are scheduled on a Monday (37 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (37 on average).

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

What are the cheapest flights from London Heathrow Airport to San Francisco?

The cheapest flight price from London Heathrow Airport to San Francisco is £402. On average you can expect to pay £2,030. The most popular route, (London Heathrow - San Francisco), can usually be booked for £432.

What are the most reliable airlines from London Heathrow Airport to San Francisco?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to San Francisco on time: Air New Zealand (83%), Air Canada (79%), Austrian Airlines (79%).

What are the most popular airlines that fly from London Heathrow Airport to San Francisco?

The most popular airlines flying from London Heathrow Airport to San Francisco are Virgin Atlantic, British Airways and Lufthansa. Something to consider prior to booking your flight.

What airport do you fly into for flights to San Francisco from London Heathrow?

Located just 11.0 mi from the city center, San Francisco is the airport most travelers will use when flying to San Francisco from London Heathrow. Booking flights from London Heathrow to San Francisco (SFO) should be relatively easy as there are 37 daily inbound flights from London Heathrow from 18 different airlines.

Can I find deals for flights from Heathrow to San Francisco that include hotel bookings?

Yes. In addition to deals on Heathrow to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Heathrow to San Francisco?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to San Francisco.

Can I find deals for business class flights from Heathrow to San Francisco?

Yes. Cheapflights offers flight deals from Heathrow to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£374+ Cheap Flights from London Heathrow Airport to San Francisco

Q: How much does it cost for a return flight from London Heathrow Airport to San Francisco?

Airfare is below average for this route at the moment. London Heathrow Airport to San Francisco flights typically cost between £588 and £425 in June. The cheapest return flight price found within the last 3 days was £424 on Delta (24 Jun-5 Aug).

Cheapflights Tip: The best prices from London Heathrow to San Francisco are usually found in February or September, booked 60 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap flight deals from Heathrow to San Francisco

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from Heathrow to San Francisco
Explore the most affordable flight options available from Heathrow to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 April 2026.

Wed 24/617:45

LHR

SFO

1 stop14h 14m

Delta

Wed 5/807:00

SFO

LHR

1 stop15h 45m

Delta

Deal found 8/4£424

Thu 1/1014:30

LHR

SFO

Nonstop11h 10m

British Airways

Tue 13/1016:35

SFO

LHR

Nonstop10h 25m

British Airways

Deal found 7/4£432

Wed 24/610:45

LHR

SFO

1 stop18h 14m

Delta

Sun 2/817:30

SFO

LHR

1 stop14h 05m

Delta

Deal found 8/4£453

Wed 24/610:45

LHR

SFO

1 stop18h 14m

Delta

Thu 6/811:30

SFO

LHR

1 stop14h 50m

Delta

Deal found 8/4£464

Sun 30/810:45

LHR

SFO

Nonstop11h 05m

British Airways

Wed 9/919:30

SFO

LHR

Nonstop10h 25m

British Airways

Deal found 8/4£469

Thu 1/1014:10

LHR

SFO

1 stop18h 24m

United Airlines

Tue 13/1019:55

SFO

LHR

Nonstop10h 15m

United Airlines

Deal found 7/4£470

Mon 11/506:30

LHR

SFO

1 stop13h 15m

Virgin Atlantic

Wed 27/513:00

SFO

LHR

1 stop13h 40m

Virgin Atlantic

Deal found 8/4£472

Wed 22/416:15

LHR

SFO

Nonstop11h 05m

United Airlines

Tue 23/605:00

SFO

LHR

1 stop18h 55m

United Airlines

Deal found 7/4£475

Wed 24/608:00

LHR

SFO

1 stop19h 24m

United Airlines

Tue 4/822:35

SFO

LHR

1 stop14h 05m

United Airlines

Deal found 8/4£487

Fri 24/406:40

LHR

SFO

1 stop16h 00m

Scandinavian Airlines

Fri 1/516:45

SFO

LHR

1 stop15h 15m

Scandinavian Airlines

Deal found 8/4£487

Wed 24/608:30

LHR

SFO

1 stop14h 57m

Air Canada

Mon 3/808:10

SFO

LHR

1 stop17h 50m

Air Canada

Deal found 8/4£490

Find flight deals from Heathrow to San Francisco

Round-trip from	£424
One-way from	£374
Popular in	December
Cheapest in	February
Average price	£488
Good round-trip deal	£493 or less
Good one-way deal	£547 or less

Delta
24/6-5/8
2 total stops
29h 59m total
London to San Francisco

Search Deals

22/4
3 total stops
32h 50m total
London to San Francisco

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£15 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2026

Search Deals

Price to beat on a round-trip flight from London Heathrow to San Francisco.

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Price to beat on a one-way flight from London Heathrow to San Francisco.

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 22/4

06:30-11:45

1 stop13h 15m

San Francisco

Wed 6/5

12:15-10:20

1 stop14h 05m

£536

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 7/9

21:05-14:40

2 stops25h 35m

San Francisco

Sun 27/9

16:45-21:20

2 stops20h 35m

£547

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 6/5

10:05-19:15

1 stop17h 10m

San Francisco

Sun 10/5

21:45-21:40

1 stop15h 55m

£552

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sun 19/4

12:45-15:45

Nonstop11h 00m

San Francisco

Sun 26/4

17:55-12:15

Nonstop10h 20m

£565

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 22/6

17:45-23:59

1 stop14h 14m

San Francisco

Mon 29/6

13:38-15:35

1 stop17h 57m

£568

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 2/5

06:30-11:45

1 stop13h 15m

San Francisco

Sat 9/5

10:29-12:10

1 stop17h 41m

£571

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Tue 30/6

17:45-09:39

1 stop23h 54m

San Francisco

Tue 7/7

18:55-17:35

1 stop14h 40m

£573

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Mon 4/5

12:45-15:45

Nonstop11h 00m

San Francisco

Fri 8/5

17:55-12:15

Nonstop10h 20m

£574

Fastest return journey

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Wed 8/7

18:30-21:25

Nonstop10h 55m

San Francisco

Wed 5/8

17:55-12:15

Nonstop10h 20m

£590

LondonSan Francisco

LHR - SFO

LHRSFO

London Heathrow

Sat 29/8

12:45-15:45

Nonstop11h 00m

San Francisco

Sat 5/9

23:15-17:30

Nonstop10h 15m

£611

Flights are sorted by cheapest return flights first.

Deals found on 8/4

Showing 1-10 of 23 resultsSorted by cheapest first

Best time to book a flight from Heathrow to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Heathrow with our price prediction graph.

LHR-SFO

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to San Francisco

Prices

Airlines

Delays

How far ahead should I book a flight from London Heathrow Airport to San Francisco?

The price you pay for your flight from London Heathrow Airport to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 60 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London Heathrow Airport to San Francisco?

Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to San Francisco (average of £354). Flying from London Heathrow Airport to San Francisco in July is currently the most expensive (average of £433). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LHR to SFO?

When flying from London Heathrow Airport to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from London Heathrow Airport to San Francisco?

Reviews of airlines servicing San Francisco

See what other customers who have flown with Austrian Airlines,Virgin Atlantic, andUnited Airlines from London Heathrow Airport to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Austrian Airlines

7.6

Good

905 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

Austrian Airlines

7.6

Good

905 reviews

Austrian Airlines

7.6

Good

905 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

Virgin Atlantic

7.5

Good

685 reviews

Austrian Airlines

7.6

Good

905 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

United Airlines

7.4

Good

9,555 reviews

Austrian Airlines

7.6

Good

905 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

Lufthansa

6.8

Okay

7,900 reviews

Austrian Airlines

7.6

Good

905 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

British Airways

6.7

Okay

7,865 reviews

Austrian Airlines

7.6

Good

905 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

Related info for your journey

What airport do you fly into for flights to San Francisco from London Heathrow?
Located just 11.0 mi from the city center, San Francisco is the airport most travelers will use when flying to San Francisco from London Heathrow. Booking flights from London Heathrow to San Francisco (SFO) should be relatively easy as there are 37 daily inbound flights from London Heathrow from 18 different airlines.
How long is the flight from London Heathrow Airport to San Francisco?
Scandinavian Airlines, British Airways, and KLM can get you from London Heathrow Airport to San Francisco in just under 11h. Your travel time can differ by up to 14h 35m. Airlines will cover a distance of 5350 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from London Heathrow Airport to San Francisco round-trip?
Cheapflights users have booked flights from London Heathrow Airport to San Francisco round-trip from £321. Other airlines that can offer you cheap pricing are Air Canada, from £335, and SWISS, from £351. Delta is priced at 37% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from London Heathrow Airport to San Francisco one-way?
To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at £270. WestJet flights start at £301 while deals on Virgin Atlantic start at £324 one-way.
What are the most reliable airlines from London Heathrow Airport to San Francisco?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to San Francisco on time: Air New Zealand (83%), Air Canada (79%), Austrian Airlines (79%).
What are the cheapest flights from London Heathrow Airport to San Francisco?
The cheapest flight price from London Heathrow Airport to San Francisco is £402. On average you can expect to pay £2,030. The most popular route, (London Heathrow - San Francisco), can usually be booked for £432.
Can I find deals for flights from Heathrow to San Francisco that include hotel bookings?
Yes. In addition to deals on Heathrow to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to San Francisco.
Can I find deals for business class flights from Heathrow to San Francisco?
Yes. Cheapflights offers flight deals from Heathrow to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from London Heathrow Airport to San Francisco?
Currently, February is the cheapest month in which you can book a flight from London Heathrow Airport to San Francisco (average of £354). Flying from London Heathrow Airport to San Francisco in July is currently the most expensive (average of £433). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Santa Cruz

Newark

San Bruno

Bodega Bay

South San Francisco

Sunnyvale

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Fly from Heathrow to San Francisco on these airlines

Virgin Atlantic flights from London Heathrow to San Francisco

British Airways flights from London Heathrow to San Francisco

Lufthansa flights from London Heathrow to San Francisco

Top 10 airlines flying from Heathrow to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest£321	Average£585	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
Air Canada	Cheapest£335	Average£427	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
SWISS	Cheapest£351	Average£429	FlexibilityNo cancel fee	On-time79%	Search SWISS flights
Aer Lingus	Cheapest£352	Average£511	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
United Airlines	Cheapest£357	Average£506	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Scandinavian Airlines	Cheapest£358	Average£524	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
TAP AIR PORTUGAL	Cheapest£360	Average£467	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Brussels Airlines	Cheapest£372	Average£509	FlexibilityNo cancel fee	On-timeN/A	Search Brussels Airlines flights
Lufthansa	Cheapest£375	Average£518	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Austrian Airlines	Cheapest£376	Average£503	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights

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How does Cheapflights help users find flights from Heathrow to San Francisco?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Francisco from Heathrow today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Heathrow to San Francisco?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Francisco from Heathrow.

Can Cheapflights find flights from Heathrow to San Francisco with no change fees?

Yes! Cheapflights helps users easily find flights from Heathrow to San Francisco with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to San Francisco become cheaper?

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Cheap flights from London Heathrow Airport to San Francisco from £374

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to San Francisco

Cheapest flights from Heathrow to San FranciscoExplore the most affordable flight options available from Heathrow to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 April 2026.

Explore the most affordable flight options available from Heathrow to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 April 2026.

Best flights from Heathrow to San FranciscoDiscover carefully curated flight deals from Heathrow to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 April 2026.

Discover carefully curated flight deals from Heathrow to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 April 2026.

Direct flights from Heathrow to San FranciscoExplore direct flight options from Heathrow to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 April 2026.

Explore direct flight options from Heathrow to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 April 2026.

Last-minute flights from Heathrow to San FranciscoDiscover last-minute flight deals from Heathrow to San Francisco. Data last updated 9 April 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to San Francisco. Data last updated 9 April 2026 and is based on user searches.

One-way flights from Heathrow to San FranciscoSearch for one-way flight options from Heathrow to San Francisco. Find affordable one-way fares based on user searches. Data last updated 9 April 2026.

Search for one-way flight options from Heathrow to San Francisco. Find affordable one-way fares based on user searches. Data last updated 9 April 2026.

Find flight deals from Heathrow to San Francisco

Round-trip from

One-way from

Popular in

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Average price

Good round-trip deal

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Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to San Francisco that are best for you.

Best time to book a flight from Heathrow to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Heathrow with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to San Francisco

How far ahead should I book a flight from London Heathrow Airport to San Francisco?

What is the cheapest month to book a flight from London Heathrow Airport to San Francisco?

What is the cheapest time of day to fly from LHR to SFO?

How much does it cost for a return flight from London Heathrow Airport to San Francisco?

Weekly flight availability from London Heathrow Airport to San Francisco

How often are flights from London to San Francisco delayed?

What is the most punctual flight time for London to San Francisco flights?

What day of the week experiences the fewest flight delays on this route?

Which airline has the best punctuality record on London to San Francisco flights?

What’s the top stopover airport for flights from London Heathrow Airport to San Francisco?

What’s the cheapest stopover airport for flights from London Heathrow Airport to San Francisco?

What’s the fastest stopover option from London Heathrow Airport to San Francisco?

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to San Francisco?

Reviews of airlines servicing San Francisco

See what other customers who have flown with Austrian Airlines,Virgin Atlantic, andUnited Airlines from London Heathrow Airport to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to San Francisco from London Heathrow?

How long is the flight from London Heathrow Airport to San Francisco?

What are the cheapest airlines flying from London Heathrow Airport to San Francisco round-trip?

What are the cheapest airlines to fly from London Heathrow Airport to San Francisco one-way?

What are the most reliable airlines from London Heathrow Airport to San Francisco?

What are the cheapest flights from London Heathrow Airport to San Francisco?

Can I find deals for flights from Heathrow to San Francisco that include hotel bookings?

How can I find direct flights from Heathrow to San Francisco?

Can I find deals for business class flights from Heathrow to San Francisco?

What is the cheapest month to book a flight from London Heathrow Airport to San Francisco?

Travelling to a place near San Francisco?

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Fly from Heathrow to San Francisco on these airlines

Choose from the following airlines for your flight from Heathrow to San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 9 April 2026.

Alternative routes for Heathrow to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to San Francisco by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to California

Book a non-stop flight to one of these other cities located in California.

Search flights from Heathrow to San Francisco by cabin class

Find flights from Heathrow to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and San Francisco flights

Browse other Heathrow and San Francisco flight options. Last updated on 9 April 2026.

Other flights from Heathrow

Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 9 April 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to San Francisco

Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 April 2026.

Top 10 airlines flying from Heathrow to San Francisco

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to San Francisco?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to San Francisco?

Cheapest flights from Heathrow to San Francisco
Explore the most affordable flight options available from Heathrow to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 April 2026.

Best flights from Heathrow to San Francisco
Discover carefully curated flight deals from Heathrow to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 9 April 2026.

Direct flights from Heathrow to San Francisco
Explore direct flight options from Heathrow to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 9 April 2026.

Last-minute flights from Heathrow to San Francisco
Discover last-minute flight deals from Heathrow to San Francisco. Data last updated 9 April 2026 and is based on user searches.

One-way flights from Heathrow to San Francisco
Search for one-way flight options from Heathrow to San Francisco. Find affordable one-way fares based on user searches. Data last updated 9 April 2026.